21-Milton - GO Transit Real-Time Arrivals

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Bus detour - Bike For Brain Health 2026 Started Sat May 30 5:30PM Until Mon Jun 1 8:23AM
On Sunday, May 31, 2026, from 00:00 to 16:00, the annual Bike for Brain Health 2026 will be taking place. During this event, parts of Gardiner Expressway and Don Valley Parkway will be closed in both directions. Between approximately 08:00 and 16:00, GO buses will be detouring to and from Union Station Bus Terminal. Buses are also estimated to be delayed up to 20 minutes.Route 16: Buses will run between Hamilton GO Centre and Hwy 407 Bus Terminal, with TTC connections to and from Union Station.Route 21: Buses will run between Cooksville GO and Malton GO, connecting to the Kitchener train to and from Union Station. Subscribe to On the GO alerts and receive customized, real-time alerts for schedule changes, construction updates and more. Sign up for On The GO alerts here.

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→21 - Union Station
Milton GO Bus
Thompson Rd. S. at Childs Dr.
Thompson Rd. S. at McCuaig Dr.
Thompson Rd. S. at Laurier Ave.
Derry Rd. . . . Derry Rd. . . . Derry Rd.	Thompson Rd. S.
	Thompson Rd. S.
	Armstrong Blvd.
	Sauve St.
	Fourth Line
	Trudeau Dr.
	James Snow Pkwy.
Derry Rd. W. . . . Derry Rd. W.	Ninth Line
	Lisgar Dr.
	Forest Park Dr.
	Tenth Line W.
	Danton Promenade
Lisgar GO Bus
Winston Churchill Blvd. at Vanderbilt Rd.
Aquitaine Ave.	Meadowvale Town Centre Circle
	Glen Erin Dr.
	Montevideo Rd.
	Millcreek Dr.
Meadowvale GO Bus
Millcreek Dr. at Millrace Crt.
Millcreek Dr. at Millrace Crt. E.
Erin Mills Pkwy.	Millcreek Dr.
	Battleford Rd.
	Windwood Dr.
	Britannia Rd. W.
	Wickham Rd.
Thomas St. at Erin Mills Pkwy.
Streetsville GO Bus
Streetsville GO Station Parking Lot
Thomas St. at Highbank Rd.
Erin Mills Pkwy. at Banfield Rd.
Erin Mills Pkwy. at Erin Centre Blvd.
Eglinton Ave. W. at Credit Valley Rd.
Eglinton Ave. W. at Mississauga Rd.
Creditview Rd. at Eglinton Ave.
Erindale GO Bus
Rathburn Rd. W.	Perivale Rd.
	Mavis Rd.
	Elora Dr.
	Elora Dr.
Square One
Cooksville GO Bus
Union Station Bus Terminal

→21f - Union Station
Milton GO Bus
Thompson Rd. S. at Childs Dr.
Thompson Rd. S. at McCuaig Dr.
Thompson Rd. S. at Laurier Ave.
Derry Rd. . . . Derry Rd. . . . Derry Rd.	Thompson Rd. S.
	Thompson Rd. S.
	Armstrong Blvd.
	Sauve St.
	Fourth Line
	Trudeau Dr.
	James Snow Pkwy.
Derry Rd. W. . . . Derry Rd. W.	Ninth Line
	Lisgar Dr.
	Forest Park Dr.
	Tenth Line W.
	Danton Promenade
	Winston Churchill Blvd.
Winston Churchill Blvd. at Vanderbilt Rd.
Aquitaine Ave.	Meadowvale Town Centre Circle
	Glen Erin Dr.
	Montevideo Rd.
	Millcreek Dr.
Meadowvale GO Bus
Millcreek Dr. at Millrace Crt.
Millcreek Dr. at Millrace Crt. E.
Erin Mills Pkwy.	Millcreek Dr.
	Battleford Rd.
	Windwood Dr.
	Britannia Rd. W.
	Wickham Rd.
Thomas St. at Erin Mills Pkwy.
Streetsville GO Bus
Streetsville GO Station Parking Lot
Thomas St. at Highbank Rd.
Erin Mills Pkwy. at Banfield Rd.
Erin Mills Pkwy. at Erin Centre Blvd.
Eglinton Ave. W. at Credit Valley Rd.
Eglinton Ave. W. at Mississauga Rd.
Creditview Rd. at Eglinton Ave.
Erindale GO Bus
Rathburn Rd. W.	Perivale Rd.
	Mavis Rd.
	Elora Dr.
	Elora Dr.
Square One
Cooksville GO Bus
Union Station Bus Terminal

→21a - Union Station
Milton GO Bus
Thompson Rd. S. at Childs Dr.
Thompson Rd. S. at McCuaig Dr.
Thompson Rd. S. at Laurier Ave.
Derry Rd. . . . Derry Rd. . . . Derry Rd.	Thompson Rd. S.
	Thompson Rd. S.
	Armstrong Blvd.
	Sauve St.
	Fourth Line
	Trudeau Dr.
	James Snow Pkwy.
Derry Rd. W. . . . Derry Rd. W.	Ninth Line
	Lisgar Dr.
	Forest Park Dr.
	Tenth Line W.
	Danton Promenade
	Winston Churchill Blvd.
Winston Churchill Blvd. at Vanderbilt Rd.
Aquitaine Ave.	Meadowvale Town Centre Circle
	Glen Erin Dr.
	Montevideo Rd.
	Millcreek Dr.
Meadowvale GO Bus
Millcreek Dr. at Millrace Crt.
Millcreek Dr. at Millrace Crt. E.
Erin Mills Pkwy. at Millcreek Dr.
Mississauga Rd. at Mississauga Rd.
Mississauga Rd. at Argentia Rd.
Union Station Bus Terminal

→21c - Union Station
Square One
Cooksville GO Bus
Union Station Bus Terminal

←21 - Milton Go
Union Station Bus Terminal
Cooksville GO Bus
Hurontario St. at Fairview Rd.
Hurontario St. at Elm Dr.
Square One
Rathburn Rd. W. . . . Rathburn Rd. W.	Elora Dr.
	Elora Dr.
	Elora Dr.
	Mavis Rd.
	Perivale Rd.
	Creditview Rd.
Erindale GO Bus
Creditview Rd. at Rathkeale Rd.
Eglinton Ave. W. at Mississauga Rd.
Eglinton Ave. W. at Summersky Crt.
Erin Mills Pkwy. at Erin Centre Blvd.
Erin Mills Pkwy. at McFarren Blvd.
Thomas St. at Erin Mills Pkwy.
Streetsville GO Bus
Streetsville GO Station Parking Lot
Thomas St. at Highbank Rd.
Erin Mills Pkwy. at Vista Blvd.
Erin Mills Pkwy. at Britannia Rd. W.
Millcreek Dr. at Erin Mills Pkwy.
Millcreek Dr. at Millrace Crt. E.
Millcreek Dr. at Millrace Crt.
Meadowvale GO Bus
Aquitaine Ave.	Millcreek Dr.
	Montevideo Rd.
	Glen Erin Dr.
	Formentera Ave. (Meadowvale Town Centre)
Winston Churchill Blvd. at Vanderbilt Rd.
Lisgar GO Bus
Derry Rd. W. . . . Derry Rd. W.	Danton Promenade
	Tenth Line W.
	Terragar Blvd.
	Rosehurst Dr.
	Ninth Line
Derry Rd. . . . Derry Rd. . . . Derry Rd.	James Snow Pkwy.
	Trudeau Dr.
	Fourth Line
	Sauve St.
	Miller Way
	Miller Way
	Thompson Rd. S.
Thompson Rd. S.	Derry Rd. W.
	Laurier Ave.
	McCuaig Dr.
	Childs Dr.
Drew Centre at Thompson Rd. S.
Milton GO Bus

←21a - Milton Go
Union Station Bus Terminal
Mississauga Rd. at Argentia Rd.
Erin Mills Pkwy. at Turner Valley Rd.
Millcreek Dr. at Erin Mills Pkwy.
Millcreek Dr. at Millrace Crt. E.
Millcreek Dr. at Millrace Crt.
Meadowvale GO Bus
Aquitaine Ave.	Millcreek Dr.
	Montevideo Rd.
	Glen Erin Dr.
	Formentera Ave. (Meadowvale Town Centre)
Winston Churchill Blvd. at Vanderbilt Rd.
Derry Rd. W. . . . Derry Rd. W.	Danton Promenade
	Tenth Line W.
	Terragar Blvd.
	Rosehurst Dr.
	Ninth Line
Derry Rd. . . . Derry Rd. . . . Derry Rd.	James Snow Pkwy.
	Trudeau Dr.
	Fourth Line
	Sauve St.
	Miller Way
	Miller Way
	Thompson Rd. S.
Thompson Rd. S.	Derry Rd. W.
	Laurier Ave.
	McCuaig Dr.
	Childs Dr.
Drew Centre at Thompson Rd. S.
Milton GO Bus